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Home >> Scion >> 2013 >> xD Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes P0010 - P0365) >> SFI System >> DTC P0101: Mass Air Flow Circuit Range / Performance Problem >> Typical Malfunction Thresholds
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Typical Malfunction Thresholds

Both of following conditions 1 and 2 met -
1. Averaged engine load value ratio Less than 0.85 or more than 1.15 (varies with estimated engine load)
2. Averaged air fuel ratio Less than -20%, or higher than 20%